单项选择题
A. Use recovery console and the fixmbr command.
B. Use recovery console and the bootcfg /rebuild command.
C. Use recovery console and the fixboot command.
D. Use recovery console and the chkdsk command.
单项选择题 A technician is called for a computer that is not connecting to the network. Which of the following would be the MOST common tool used to identify the issue? （）
单项选择题 A client has been unable to fix corruption of system files and does not have a backup or an Automated System Recovery (ASR) disk. Which of the following is the BEST action to take next? （）
单项选择题 A system powers on, begins POST, displays the BIOS version information and then hangs with the error message Error loading operating system. Which of the following is MOST likely cause of this issue? （）